Home / 8,615.24-12,927.74-3,684.44

Finding the Fourth Proportional to 8,615.24, 12,927.74 and 3,684.44

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Solution

The fourth proportional to 8,615.24, 12,927.74 and 3,684.44 is: 5,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.24 : 12,927.74 = 3,684.44 : x
  2. Step 2: Convert to fraction form
    8,615.24/12,927.74 = 3,684.44/x
  3. Step 3: Cross multiply
    8,615.24x = 12,927.74 × 3,684.44
  4. Step 4: Simplify right side
    8,615.24x = 47,631,482.37
  5. Step 5: Solve for x
    x = 47,631,482.37/8,615.24
  6. Step 6: Final answer
    x = 5,528.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.